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Tag Archives imidacloprid

There are exceptions, but most insecticides are neurotoxins designed to target an insects’ nervous systems.
Features, News

Resistance, Group 4 and neonicotinoids

Saskatchewan pest management specialist updates growers at CropSphere

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Saskatchewan’s provincial pest management specialist updated growers on the current state of government regulation of neonicotinoids at CropSphere in Saskatoon in January. He began with a review of insecticide modes of action. Just as herbicides are classified into groups according to how they control weeds, insecticides are classified into groups based on how they control insects. […] Read more
(Photo courtesy Canola Council of Canada)
Crops, Weather

Neonic-treated canola not an ‘unacceptable risk’ for pollinators

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Already facing federally mandated phase-outs from many major on-farm uses in Canada over risks to aquatic insects, neonicotinoids aren’t expected to pose “unacceptable risks” to pollinators when used on canola seed or hothouse vegetables in the meantime. Health Canada said as much Thursday as it released its final re-evaluation decisions for three neonic pesticides — […] Read more
(iStock/Getty Images)
Crops, Reuters

EU nations back ban on all outdoor neonic use

By
Brussels | Reuters — European Union countries backed a proposal on Friday to ban all use outdoors of insecticides known as neonicotinoids that studies have shown can harm bees. The ban, championed by environmental activists, covers the use of three active substances — imidacloprid, developed by Bayer CropScience; clothianidin, developed by Takeda Chemical Industries and […] Read more
Treated corn seed. (Syngenta.com)
Crops

Two neonics set for three-year extensions on registration

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Health Canada’s pesticide regulator proposes to allow continued registration for two members of the neonicotinoid family of pesticides, both of which are under heavy scrutiny for their effects on bees and other pollinators. The Pest Management Regulatory Agency on Tuesday issued proposed decisions on clothianidin and thiamethoxam that would extend the products’ existing conditional registrations […] Read more
(Jack Dykinga photo courtesy ARS/USDA)
Crops

Data mining finds no honeybee colony risk from correct neonic use

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An expedition through published and unpublished studies on neonicotinoid pesticides has led a Guelph research team to find no colony-level risk to honeybees from the seed treatments — if they’re correctly used. The University of Guelph team, led by toxicologist Keith Solomon and adjunct professor Gladys Stephenson, analyzed 64 papers from “open, peer-reviewed literature” on […] Read more
Health Canada is calling for a three- to five-year phase-out of imidacloprid from farm use over potential risks to aquatic insects such as mayflies. (OttawaRiverkeeper.ca)
Crops

PMRA seeks phase-out for neonic pesticide imidacloprid

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Canadian farm use of the pesticide imidacloprid, from the controversial neonicotinoid family, is facing a three- to five-year phase-out from approval over its potential risks to aquatic insects. Health Canada’s Pest Management Regulatory Agency (PMRA) on Wednesday announced it had completed a re-evaluation of the pesticide and has kicked off a 90-day public consultation period, […] Read more
(Stephen Ausmus photo courtesy ARS/USDA)
Crops

Regulatory reviews show slim risk to bees from imidacloprid

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Label directions and rules for foliar and on-seed use of imidacloprid pesticides should either prevent or limit the risks to honeybees and other pollinators from the chemical, Canadian and U.S. regulators say in a new early-stage risk assessment. Health Canada’s Pest Management Regulatory Agency (PMRA) and the U.S. Environmental Protection Agency (EPA) on Wednesday released […] Read more
honeybee on a canola flower
Crops, Features

The latest buzz on bees and neonics

Ontario government proposes restricted use of neonic-treated seed

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The Ontario government has released its proposed regulatory changes to the provincial Pesticides Act to restrict the sale and use of corn and soybean seed treated with neonicotinoids in the province — and to say Ontario’s grain farmers aren’t pleased would be an understatement. According to provincial agriculture minister Jeff Leal, the intent is to […] Read more

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